New desktop mobile screen clip: easy to install, thicker material, durable. New improvement in the quality of details, craftsmanship, technology, persistence in quality. If you like high quality life, please choose usProduct parameters▶ Material: aluminum alloy▶ Card position range: 4-20mm can be cards▶ Maximum thickness of the table top: 5-40mm▶ Features: no punching, movable▶ Dimensions: 18 x 5 x 5cm / 7.0 x 1.9 x 1.9inProduct packaging✔8 * Clamp holder for anti-spit protection wall✔Screw + washer + assembly key